Home / 80,592,560.01-120,877,030.21-39,641,006.88

Finding the Fourth Proportional to 80,592,560.01, 120,877,030.21 and 39,641,006.88

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Solution

The fourth proportional to 80,592,560.01, 120,877,030.21 and 39,641,006.88 is: 59,455,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,560.01 : 120,877,030.21 = 39,641,006.88 : x
  2. Step 2: Convert to fraction form
    80,592,560.01/120,877,030.21 = 39,641,006.88/x
  3. Step 3: Cross multiply
    80,592,560.01x = 120,877,030.21 × 39,641,006.88
  4. Step 4: Simplify right side
    80,592,560.01x = 4,791,687,185,990,373
  5. Step 5: Solve for x
    x = 4,791,687,185,990,373/80,592,560.01
  6. Step 6: Final answer
    x = 59,455,701.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.